Senior ML Engineer (+ Equity) at VC-backed AI/ML startup
Indexed description
TechTree is an AI-driven recruitment platform working with high-growth companies.
When you apply, our AI Agent matches you not just to this role, but to other relevant opportunities across our network, so one application can unlock multiple roles.
About The Role
Our client is seeking a Senior ML Engineer to lead the research, development, and deployment of their novel foundation model. This role involves defining the technical strategy and optimizing performance to ensure scalability for their AI/ML start-up in London.
What You'll Be Doing
- Lead the research, development, and production deployment of Hypercritical's foundation model.
- Define the long-term technical strategy for high-performance Machine Learning systems.
- Optimize the model for peak performance across diverse hardware and ensure scalability for exponential user growth.
- Serve as the technical guardian for the model's quality and Service Level Objectives (SLOs).
- Provide a hands-on solution architecture for the core ML infrastructure.
- Select, evaluate, and implement state-of-the-art technologies.
- Profile and optimize the end-to-end ML stack.
- Design and implement GPU-accelerated components, including custom CUDA kernels.
- Work closely with the founders to translate product requirements into technical roadmaps.
- Build internal tooling, benchmarks, and evaluation harnesses.
- Expertise in designing, architecting, and implementing large-scale foundation models.
- Significant hands-on experience optimizing and debugging deep learning models.
- Practical experience with distributed or large-scale training and inference.
- Deep understanding of at least one major deep learning framework (ideally PyTorch).
- Experience building and operating ML systems on cloud platforms.
- Passion and determination.
- Able to grind through complicated and ambiguous problems.
- Delivery-oriented; respects timelines and commitments.
- Openness to disagreement.
- Onsite work in London preferred - remote work with visits in office once a month acceptable.
- Salary range: £100,000 – £150,000
- Equity: Share options
What is TechTree?
TechTree combines AI agents with a human support team to give candidates a better, more transparent hiring experience.
Our AI Agent gets to know your background, experience, and what you're optimising for. It continuously matches you to live roles across our network where there's genuine alignment, not just keyword overlap.
Our Human Team is there to support you through the process:
- Answer questions about roles, process, and next steps
- Add context when something in your background isn't obvious
- Help unblock stalled processes or unclear feedback
- Make sure you're not left guessing, ghosted, or wasting time
If you apply: you'll be considered for this role, you may also be matched to other relevant roles, and if there's no fit, we won't spam you.
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